A functional advantage of having human testes in the scrotum rather than in the abdomen is
A) there is more room in the scrotum and the testes can grow bigger.
B) a shorter sperm duct.
C) a more direct blood supply.
D) lower temperature.
E) greater protection to the testes.

Question

Quizplus · Accepted Answer

The scrotum provides a lower temperature than the abdomen, which is essential for sperm development and viability. If the testes were in the abdomen, the higher internal temperature would decrease sperm production and motility.

A Functional Advantage of Having Human Testes in the Scrotum